An extended aeration tank receives a BOD load of 768 kg/day. If two fixed aerators with oxygen transfer capacity of 0.8 kg of 02/HP hour are to be installed in aeration tank, what is the capacity of each aerator?

An extended aeration tank receives a BOD load of 768 kg/day. If two fixed aerators with oxygen transfer capacity of 0.8 kg of 02/HP hour are to be installed in aeration tank, what is the capacity of each aerator?

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter8: Landfills

Section: Chapter Questions

Problem 8.5P

See similar textbooks

Related questions

Q: b) Rotation angle in point C 9,1² A 1 B 1 * C 9₂ = const 21 ▬▬▬ D

Q: A 6 m C -10 m- Probs. 6-67/68 30 kN B 80 KN 60 KN 2 m 30 kN -1 m

Q: Problem Solving: Round off your final answer to 2 decimal places. 3m 3 m 4 m 1 *Members along Level…

Q: Situation 3 - Refer to the three-hinged arch shown in the Figure. Given: 7. 8. 9. P₁ = P4 = 100 kN…

A: Determine a. Horizontal reaction at A going to B. b. Vertical reaction at C. c. Total reaction at…

Q: The intensity of rain fall and the time interval of a typical storm are Time interval (minutes)…

A: The intensity of rainfall and the time interval of a typical storm is given as shown in table- To…

Q: A 1.5 m square footing is founded at a depth of 1m (equal to the foundation thickness) in…

A: Dimensions of square footing = 1.5 m Thickness of footing = 1 m Depth of footing = 1 m Properties of…

Q: how the step 2 come and also in step 1 how did u take the term (20-x)?? can you explain this?

A: In step 2, influence line diagram is drawn using Muller Breslaw principal which states that to…

Q: Determine the slope and deflection at point C of the beam shown by the direct integration method and…

A: Overhang beam with two point loads NOTE : The question is solved by direct integration method…

Q: Design cantilever sheet-pile wall penetrating a granular soil. a. What is the depth of the…

Q: A conical cistern is 10 feet across the top and 12 feet deep. If water is poured into the cistern at…

A: d = 10 ft h = 12 ft

Q: A conventional floor system has panel dimensions measured from center-to-center of the beam support…

A: Given; ·

Q: What are the difference between Spatial Resolution and Color Resolution

A: Context: Spatial Resolution and Color Resolution

Q: A square pile of section 30 cm x 30 cm and length 10 m penetrates a deposit of clay having c = 50…

A: A square pile of section 30 cm 30 cmB = 0.3 mLength, L = 10 mA deposit of clay having c = 50…

Q: If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic…

A: Dynamic viscosity of fluid μ=0.5poise=0.05Ns/m2 Specific gravity g=0.5 To find The kinematic…

Q: The sluice gate is a circular arc of radius 5m and angle B=60°. The water level behind the gate…

A: The radius of the circular arc, R= 5 mAngle, Length of the gate, L= 3 mTo find:The vertical…

Q: How does one go about testing a structural database, and how does this mode of testing vary from…

A: Database Structural Testing Testing a structural database involves verifying its…

Q: 1.5 kips (L) 1 kips (W) 3 kips (L) 1 kips (W) Live Load (L) + Wind Load (W) 3 kips (L) 1 kips (W) 3…

Q: A rectangular foundation of plan size 5 (B) × 10 (L) m is to be designed to carry a load of 86.6 MN…

A: Width of the footing, B = 5m , Length of footing , L = 10m , Dry Unit Weight,γdry=20kN/m3 Saturated…

Q: Given a vertical flow in a stratified soil which consists of three layers, their depths are di, d2,…

A: Three layers of stratified soils with depths d1, d2 and d3. Hydraulic conductivities of soils, k1,…

Q: A car has a frontal projected area of 1.6 m² and travels at 60km/hr. It has a drag coefficient of…

A: Velocity,V = 60 km/hr = 16.67 m/s. Area = 1.6 m2 Drag coefficient, Cd = 0.35 The density of air, ρ =…

Q: 4) : For the retaining wall shown in Figure-3, determine the force per unit length of the wall for…

A: Given soil profile is, It is asked to determine the, 1. Force per unit length of the wall for…

Q: USCS Classification % Gravel (total): % Sand (total): % Fines (Silt +Clay): D10: Cu: USCS: D30: Cc:…

A: Particle diameter % Passing 0.04003 78 0.0214 64 0.01549 58 0.0112 53 0.00836 47 Draw…

Q: A truss is subjec Assume AE is constant and use virtual work mathed For deflection of truss.

Q: -1: Find Reactions and pin force 6' A Homework 7: 20' 12k 2: Find Reactions and pin force 2' 5' 10'…

A: To find reaction and pin force

Q: 30 cm diameter concrete pile is driven in a normally consolidated clay deposit 15 m thick. Estimate…

Q: Engineering Surveying An aircraft is flying at a ground speed of 300 kmph. The focal length of the…

A: Ground speed V=300 kmph, Focal length of the camera f=300 mm, Ground distance covered S=5 km, To…

Q: 4 m L B 4 m K с - 4 m D 4 m I E 4 m H F 4 m 3 m G

Q: View the link above this discussion entitled List of Federal Acquisition Regulations (FAR)…

A: Here, it is asked about the List of Federal Acquisition Regulations (FAR) and also the impact of…

Q: Calculate the co-ordinates of point W. Given: [B] [M] [Z] + 294,000 + 112,876 +391,123 Angle 1…

A: Given:(B) + 294,000 ; + 804,721 (M) + 112,876 ; +764,174 (Z) + 391,123 ; + 116,678Angle 1= 73: 49…

Q: Use LRFD and (a) Select a W 18 of A992 steel. Use the column load tables. (b) Select a W14 of A572…

A: Hi! As per the guidelines we are allowed to solve only one question at a time. As you have not…

Q: How much time (in seconds) does a person traveling on a grade of 4% at a speed of 69 mph have to hit…

A: Grade = 4%(0.04) , Initial Speed , Vi = 69mph = 69 x 1.467 = 101.22 ft/sec Distance up to the…

Q: Situation 12 - A simply supported beam has a span of 12 m. The beam carries a total uniformly…

A: Simply supported beam has span 12m and it's carries total 28 KN/m uniformly distributed load.…

Q: B) Prove that %₁ = (1-n) (1 + wc) Gs/w

Q: Engineering Surveying. An aircraft is flying at a ground speed of 300 kmph. The focal length of the…

A: Given; Ground speed of the aircraft = 300 km/hFocal length of the camera = 300 mmGround distance…

Q: b) Rotation of a cross-section in point B 1₁ 1 9,1 B

Q: What does an Environmental Scientist/Engineer do? What are all their duties?

A: Environmental engineers use the principles of engineering to identify and develop a solution to…

Q: Problem 3. An HSS10×10×³/16 is used as a compression member with one end pinned and the other end…

A: The section HSS 10×10×316 with one end pinned and the other end fixed against rotation but free to…

Q: Find the deflection equation of the beam of length 1, with distributed uniform load w(x) = w0…

A: Find the deflection equation of the beam

Q: A footing 3.0 x 3.0 m carries a net foundation pressure of 130 kPa at a depth of 1.2 m in a deep…

A: Size of footing=3m x 3m , Net Foundation Pressure , qn = 130kPa , Depth = 1.2m , Unit weight of sand…

Q: Solve the frame USING: Portal Method

Q: The design speed of a highway is 70 km/h. There is a horizontal curve of radius 160 m on a certain…

A: Design speed V=70 km/h, Radius of curve R=160 m, Transverse coefficient of friction f=0.15 Maximum…

Q: A 1.5 m square footing is founded at a depth of 1m (equal to the foundation thickness) in…

Q: A square pile of section 30 cm x 30 cm and length 10 m penetrates a deposit of clay having c = 50…

A: A square pile of section 30 cm 30 cmB = 0.3 mLength, (L) = 10 mA deposit of clay having c = 50…

Q: Solve the following problems. Show the complete solution neatly, orderly, and label the answer…

Q: Using FACTOR METHOD: *Solve for all members on the frame provided: 1. Axial forces 2. Shear forces…

A: To find- 1. Axial forces2. Shear forces3. Moments

Q: A square pile of section 30 cm x 30 cm and length 10 m penetrates a deposit of clay having c = 50…

A: A square pile of section 30 cm 30 cmB = 0.3 mLength, L = 10 mA deposit of clay having c = 50…

Q: A surface water treatment plant operates round the clock with a flow rate of 35 m³/min. The water…

A: Surface water treatment plant- Discharge, Flow rate, Q=35 m3min. Gt=4×104 Alum dosage = 25 mglit.…

Q: For the conditions shown in Figure 3, use LRFD and (a) Select a W18 of A992 steel. (b) Select a…

A: Given; W 18 of A992 steel D = 100 k L = 300 k

Q: Trial Question For the following particle size distribution, calculate the efficiency of a Lapple…

A: Given; μg =0.06 kg/m.hr = 1.67×10-5 kg/m.sW = 0.25D = 0.250.5 = 0.125 m

Q: Determine the required reinforcement for T-section beam to resist torsion T = 11.75 KN.m with the…

A: Moment of resistance = 0.87 Ast [ d-0.42 ]moment of resistance for high yield reinforcement =…

Concept explainers

Collection Systems

The collection systems form a part of sanitary engineering, which is a sub-branch of civil engineering. It is also known as public health engineering and wastewater engineering. It is a methodology followed to remove and properly dispose of human waste, along with creating systems to provide safe and clean usable water. These measures ensure a hygienic and disease-free community. Sanitary engineering, apart from building sewer disposal units, is also involved in plumbing, fire protection, hydraulics, life safety, environmental protection, information technology, microbiology, pathology, and so on.

Question

An extended aeration tank receives a BOD
load of 768 kg/day. If two fixed aerators with
oxygen transfer capacity of 0.8 kg of 02/HP
hour are to be installed in aeration tank, what
is the capacity of each aerator?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: given

VIEW

Step 2: calculation

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

calculate the metal dosing to treat 10,000 m3d-1 of municipal wastewater with 8 mg-P L-1 considering Al2(SO4)3*18H2O.
Evapotranspiration in an 8 ha farm is 7 mm/day and percolation losses is 2 mm/day. What is the design discharge of a canal to be able to deliver a 5-day requirement of the farm in 24 hours if irrigation efficiency is 75%? Select one: a. 200 m3/hr b. 175 m3/hr c. 150 m3/hr d. 140 m3/hr
Example Treatment plant with capacity 50*106 l/day. This treatment plant required 20 mg/l alum. If the water alkalinity as CaCO3 is 6 mg/l. Find the yearly alum quantity and the quantity of CaO which is used as coagulant aid? Atomic weights: Al=27, O=16, H=1, C=12, Ca=40
For the following wastewater and biomass characteristics: Q0 = 50 m3/d S0 = 60 mg NH4+-N/l Xi0 = 20 mg/l k= 2.5 mg NH4+-N/mg VSS-d K = 1 mg/l Y = 0.34 g VSS/g NH4+-N b = 0/day Calculate the volume of the CSTR required for 50 and 98% removal of ammonia by oxidation to nitrate.
For a city of population 200,000 capita and WCav =240 l/c/d the average daily WC asfollows:a. Draw the characteristics consumption curve;b. Estimate the percentage of maximum and minimum consumption through the day to theaverage value; andc. Estimate the maximum monthly, daily, and hourly water demand
Treatment plant with capacity 50*106 l/day. This treatment plant required 20 mg/l alum. If the water alkalinity as CaCO3 is 6 mg/l. Find the yearly alum quantity and the quantity of CaO which is used as coagulant aid? Atomic weights: Al=27, O=16, H=1, C=12, Ca=40
A Semi-solid waste storage has a volume of 1145 m3. The basin is initially 71% empty. The semi-solid density is 1521 kg/m3 is taken away from the storage tank at a rate of 5211.81 kg/day. How long will the basin take to be 91% emptied? Assume the storage is now initially full 23% and re-estimate the time to empty it
Drinking water from a dam which undergoes conventional treatment has a computed chlorine demand (due to silt, corrosion and bacteria) amounting to 3.5 ppm. Per PNSDW, such drinking water must have a mandatory chlorine residual of 1.0 ppm at source. If production flow is at 500 cu.m./day, calculate the chlorine dosage needed in pounds per day (PPD).
A wastewater treatment plant receives 250 mg/L BOD, 45 mg/L NO3-N, and 0.08% TSS. What is the loading of each component (lb/d) if the plant flow is 730,000 gpd?
Please calculate the ThOD, COD, and ultimate BOD of a wastewater containing (a) 500 mg/L acetate (CH3COOH), which is fully biodegradable; or (b) 500 mg/L oil (C40H80), which is not biodegradable.
Answer and show complete solution. Pls don't rejectA factory discharges waste water to a nearby river. The concentration of dissolved oxygen (DO) a few meters downstream of the factory’s discharge point was recorded for 10 consecutive days as shown in the table below. The lower the DO, the more “polluted” the river is and as the DO reaches zero, the river becomes unable to sustain marine life. Day DO (milligram/liter) 1 1.8 2 2 3 2.1 4 1.7 5 1.2 6 2.3 7 2.5 8 2.9 9 1.9 10 2.2 Determine the 95% confidence interval for the true mean DO concentration.
Answer and show complete solution. Pls don't rejectA factory discharges waste water to a nearby river. The concentration of dissolved oxygen (DO) a few meters downstream of the factory’s discharge point was recorded for 10 consecutive days as shown in the table below. The lower the DO, the more “polluted” the river is and as the DO reaches zero, the river becomes unable to sustain marine life. Day DO (milligram/liter) 1 1.8 2 2 3 2.1 4 1.7 5 1.2 6 2.3 7 2.5 8 2.9 9 1.9 10 2.2 Local environmental regulations prescribe a minimum DO concentration of 2.0 mg/L. Perform a hypothesis test to determine whether the river’s water quality satisfies local regulations at a 5% significance level. (follow the 8step hypothesis test)